The hex color #a3d2d5 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C2D2A. The grayscale version is
#C3C3C3. A 20% lighter version of the original color is
#D6FFFF, and Hex
#709FA2 is the 20% darker color. If the color is saturated by 10%, you get
#A0D3D7. If the color is desaturated by 10%, the color
#A6D1D3 is obtained.